Annotated and pictorial list of the Catak Lepidoptera. Priamus (Suppl.) 41: 1-118, 95 figs. This study deals with hitherto recorded species of Lepidoptera of Catak district (East Turkey). Totally 633 species are given in an annotated list. It contains valid names of the species, together with synonyms, original references, world ranges in codes. Totally 95 figures of field observations, collection material, as well as figures of male and female genitalia of some species are added. Comments on the identities of some micros, also faunistical, observational notes of some butterflies and moths are given. The female of Myelois pumicosa (Pyralidae) is described and illustrated here for the first time.